40 + 57 + 40 + 30 + 47 + 31 + 60 + 38 + 64 + 30 + 120 = 557
38+n=57 n=57-38 n=19
38 + 19 = 57.
% Rate= (57/150) x 100% = 38%
76
57 + 57 + 38 + 38 = 190
40 + 57 + 40 + 30 + 47 + 31 + 60 + 38 + 64 + 30 + 120 = 557
38+n=57 n=57-38 n=19
38 + 19 = 57.
There are several equations that can equal 57. 45 plus 12 is equal to 57, as is 30 plus 27.
% Rate= (57/150) x 100% = 38%
57+79=136
-38-10x = 9x+19 -38-19 = 9x+10x -57 = 19x |: 19 -3 = x Therefore x equals -3
76
8y - 38
38 + 43 = 81
88